The aerobic methylation of arsenic by microorganisms in the presence of l-methionine-methyl-d3 |
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| Authors: | William R Cullen Colleen L Froese Ann Lui Barry C McBride David J Patmore Monica Reimer |
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| Institution: | Chemistry Department, University of British Columbia, Vancouver, B.C. V6T 1W5 Canada |
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| Abstract: | The microorganisms Scopulariopsis brevicaulis, Candida humicola, and Gliocladium roseum growing aerobically, methylate a range of arsenic compounds to produce R′R″As(CH3) (R′ R″ CH3; R′ n-C4H9, R″ CH3). When l-methionine-methyl-d3 is added to the cultures the CD3 label is incorporated, intact, in the evolved arsine to a considerable extent, indicating that S-adenosylmethionine or some related sulphonium compound is involved in the biological process. |
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